The Adventures of Bayou Billy (a.k.a. The Adventures of Forest Steam) is an action game released by Konami for the Nintendo Entertainment System in North America in 1989 and in the PAL region in 1991. It is a revised version of the 1988 Family Computer game Mad City (マッド・シティ), which has been modified with many graphical changes and an increase in the game’s difficulty level. The game employs various play styles that were popular at the time such as beat-’em-up, gun shooting and racing.